Hi,
As I can only liberate called with cost for two station, using double-answer in E1 R2 from Brazil.
Config:
controller E1 0/0/0
framing NO-CRC4
line-termination 75-ohm
ds0-group 0 timeslots 1-15,17-31 type r2-digital r2-compelled ani
cas-custom 0
country brazil
double-answer
disconnect-tone
answer-signal group-b 1
IOS:
c2800nm-advipservicesk9-mz.124-2.T5.bin
Very Obliged!